<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<!DOCTYPE html>
<html>
<head>
  <title>EL</title>
</head>
<body>
  <%
    request.setAttribute("key","谢");
  %>
<%--  表达式脚本输出key的值--%>
  <%=request.getAttribute("key")%><br>
<%--EL表达式输出key的值是：--%>
  ${key}
</body>
</html>